Impedance high frequency medium frequency low frequency

Impedance high frequency medium frequency low frequency, Total:60 items.

The international standard classification for "Impedance high frequency medium frequency low frequency" includes: .

The Chinese standard classification for "Impedance high frequency medium frequency low frequency" includes: .

National Metrological Verification Regulations of the People's Republic of China

JJG(航天) 17-1985 Verification rules for low-frequency and intermediate-frequency electronic voltmeters
JJG 127-1986 Verification Regulation of Model HP4191A RF Impedance Analyzer
JJG(电子) 05007-1987 HP4192A Low Frequency Impedance Analyzer Trial Verification Regulations

SCC

MIL MIL-R-28887-1984 RADIO GROUP, VLF, LF, MF, AND HF
MIL MIL-R-28886A-1985 RECEIVER, LOW FREQUENCY, MEDIUM FREQUENCY, AND HIGH FREQUENCY COMMUNICATIONS (SUPERSEDING MIL-R-28886)
MIL MIL-A-24366-1969 AMPLIFIER SYSTEM, AUDIO, LOW NOISE, HIGH INPUT IMPEDANCE (NO S/S DOCUMENT)

International Telecommunication Union (ITU)

ITU-R BS.560-4-1997 Radio-Frequency Protection Ratios in LF MF and HF Broadcasting
ITU-R QUESTION 51/6-2000 Sky-wave reception in LF MF and HF broadcasting
ITU-R BS.560-4 SPANISH-1997 Radio-frequency protection ratios in LF, MF and HF broadcasting
ITU-R BS.560-4 FRENCH-1997 Radio-frequency protection ratios in LF, MF and HF broadcasting
ITU-R BS.559-1990 Objective measurement of radio-frequency protection ratios in LF, MF and HF broadcasting
ITU-R BS.561-2-1986 Definitions of Radiation in LF MF and HF Broadcasting Bands - Section 10A-1 - Amplitude-Modulation Sound Broadcasting in Bands 5 (LF) 6 (MF) and 7 (HF)
ITU-R BS.559-2-1990 Objective Measurement of Radio-Frequency Protection Ratios in LF MF and HF Broadcasting - Section 10A-1 - Amplitude-Modulation Sound Broadcasting in Bands 5 (LF) 6 (MF) and 7 (HF)
ITU-R BS.561-2 SPANISH-1986 DEFINITIONS OF RADIATION IN LF, MF AND HF BROADCASTING BANDS
ITU-R BS.561-2 FRENCH-1986 DEFINITIONS OF RADIATION IN LF, MF AND HF BROADCASTING BANDS
ITU-R BS.639-1986 Necessary Bandwidth of Emission in LF MF and HF Broadcasting - Section 10A-1 - Amplitude-Modulation Sound Broadcasting in Bands 5 (LF) 6 (MF) and 7 (HF)
ITU-R REPORT BS.458-5-1990 Characteristics of systems in LF, MF and HF broadcasting
ITU-R BS.559-2 SPANISH-1990 OBJECTIVE MEASUREMENT OF RADIO-FREQUENCY PROTECTION RATIOS IN LF, MF AND HF BROADCASTING
ITU-R INFORME BS.458-5 SPANISH-1990 Characteristics of systems in LF, MF and HF broadcasting
ITU-R BS.639 SPANISH-1986 Necessary bandwidth of emission in LF, MF and HF broadcasting
ITU-R BS.559-2 FRENCH-1990 OBJECTIVE MEASUREMENT OF RADIO-FREQUENCY PROTECTION RATIOS IN LF, MF AND HF BROADCASTING
ITU-R BS.639 FRENCH-1986 Necessary Bandwidth of Emission in LF MF and HF Broadcasting - Section 10A-1 - Amplitude-Modulation Sound Broadcasting in Bands 5 (LF) 6 (MF) and 7 (HF)
ITU-R BS.498-2-1990 Ionospheric Cross-Modulation in the LF and MF Broadcasting Bands - Section 10A-1 - Amplitude-Modulation Sound Broadcasting in Bands 5 (LF) 6 (MF) and 7 (HF)
ITU-R REPORT SM.2158-2-2011 Impact of power line telecommunication systems on radiocommunication systems operating in the LF, MF, HF and VHF bands below 80 MHz
ITU-R BS.597-1 SPANISH-1986 CHANNEL SPACING FOR SOUND BROADCASTING IN BAND 7 (HF)
ITU-R BS.498-2 SPANISH-1990 IONOSPHERIC CROSS-MODULATION IN THE LF AND MF BROADCASTING BANDS
ITU-R INFORME SM.2158-2 SPANISH-2011 Impact of power line telecommunication systems on radiocommunication systems operating in the LF, MF, HF and VHF bands below 80 MHz
ITU-R BS.498-2 FRENCH-1990 IONOSPHERIC CROSS-MODULATION IN THE LF AND MF BROADCASTING BANDS
ITU-R BS.597-1 FRENCH-1986 Channel Spacing for Sound Broadcasting in Band 7 (HF) - Section 10A-1 - Amplitude-Modulation Sound Broadcasting in Bands 5 (LF) 6 (MF) and 7 (HF)
ITU-R RAPPORT BS.458-5 FRENCH-1990 Characteristics of systems in LF, MF and HF broadcasting
ITU-R SM.1266-1997 ADAPTIVE MF/HF SYSTEMS
ITU-R QUESTION 93-2/5-1993 Automation of MF HF and VHF maritime mobile communications
ITU-R BS.597-1-1986 Channel Spacing for Sound Broadcasting in Band 7 (HF) - Section 10A-1 - Amplitude-Modulation Sound Broadcasting in Bands 5 (LF) 6 (MF) and 7 (HF)
ITU-R INFORME M.1158 SPANISH-1990 Data communication in the maritime mobile services using MF, HF and VHF frequencies
ITU-R REPORT M.1161-1990 Use of MF/HF DSC for automatic connection of calls in the maritime-mobile service MF and HF bands to the public switched network
ITU-R SM.1266 SPANISH-1997 ADAPTIVE MF/HF SYSTEMS
ITU-R SM.1266 FRENCH-1997 ADAPTIVE MF/HF SYSTEMS
ITU-R REPORT M.1158-1990 Data communication in the maritime mobile services using MF, HF and VHF frequencies
ITU-R BS.638 SPANISH-1986 TERMS AND DEFINITIONS USED IN FREQUENCY PLANNING FOR SOUND BROADCASTING
ITU-R BS.638 FRENCH-1986 Terms and Definitions Used in Frequency Planning for Sound Broadcasting - Section 10A-1 - Amplitude-Modulation Sound Broadcasting in Bands 5 (LF) 6 (MF) and 7 (HF)
ITU-R RAPPORT M.1158 FRENCH-1990 Data communication in the maritime mobile services using MF, HF and VHF frequencies

German Institute for Standardization

DIN 47297:1986 HF-connection 1,0/2,3; characteristic impedance 50
DIN 47298:1986 HF-connection 1,4/4,4; characteristic impedance 50 ohms
DIN 47295:1986 HF-connection 1,6/5,6; characteristic impedance 75 ohms
DIN 47226:1973 HF-connection 1,8/5,6 characteristic impedance 50 ; mating dimensions
DIN 47231:1974 HF-connection 4,1/9,5, characteristic impedance 50 ; mating dimensions
DIN 47234:1974 HF-connection 43/98; characteristic impedance 50 ; mating dimensions
DIN 47227:1973 HF-connection 9/21, characteristic impedance 50 ; mating dimensions

RU-GOST R

GOST 19656.3-1974 Semiconductor UHF mixer diodes. Measurement methods of output impedance at an intermediate frequency
GOST 19656.12-1976 Semicondactor UHF mixer diodes. Measurement method of input impedance
GOST 27694-1988 Integrated circuits. Low-, intermediate- and high-frequency amplifiers. Methods for measuring electric parameters

Military Standards (MIL-STD)

DOD MIL-STD-188-148 B VALID NOTICE 2-2013 Anti Jam (AJ) Communications in the High Frequency (2-30 MHZ) Band (U)

American Welding Society (AWS)

WRC 160:1971 High-Frequency Resistance Welding

SAE - SAE International

SAE J2366-1L-2001 ITS Data Bus - Low Impedance Stereo Audio (LISA)

WRC - Welding Research Council

BULLETIN 160-1971 HIGH-FREQUENCY RESISTANCE WELDING

CZ-CSN

CSN 36 1110-1983 Low-frequency and medium-frequency induction heating apparatuses

ITU-R - International Telecommunication Union/ITU Radiocommunication Sector

INFORME BS.401-6 SPANISH-1990 Antenas de emisión para radiodifusión en ondas kilométricas y hectométricas

CH-SNV

SNV 41205-1954 Discharge lamp and power coefficient and high frequency impedance principle

Standard Association of Australia （SAA）

AS 3516.1:1988 Siting of radiocommunications facilities - LF, MF and HF transmitting and HF receiving facilities

Consumer Electronics Association （U.S.)

CEA-544-C-2010 Low Frequency Immunity of Tuners in a Cable System

Others: Impedance High Frequency Mid Frequency Low Frequency Range,Impedance high frequency low frequency,Impedance high frequency low frequency,AC impedance high frequency, medium frequency, low frequency,High, middle and low frequencies of impedance spectroscopy,Impedance low frequency high frequency intermediate frequency,Low Frequency Medium Frequency High Frequency in Impedance,impedance low frequency high frequency,AC Impedance High Frequency Medium Frequency Low Frequency,Impedance Mid-High Mid-Frequency and Low-Frequency,Impedance Spectrum High Frequency Intermediate and Low Frequency,High Frequency Impedance Low Frequency Impedance,High frequency low frequency impedance,Impedance high frequency medium frequency low frequency,Impedance low frequency intermediate frequency,Impedance high frequency low frequency intermediate frequency,The difference between low frequency, medium frequency and high frequency,Impedance + low frequency + high frequency,Low frequency high frequency intermediate frequency impedance,Impedance low frequency medium frequency high frequency